diff --git a/artiq/test/coredevice/test_cache.py b/artiq/test/coredevice/test_cache.py
index 10d586e02..3574711d0 100644
--- a/artiq/test/coredevice/test_cache.py
+++ b/artiq/test/coredevice/test_cache.py
@@ -9,7 +9,7 @@ from artiq.coredevice.exceptions import CacheError
 from artiq.test.hardware_testbench import ExperimentCase
 
 
-@nac3
+# NAC3TODO @nac3
 class _Cache(EnvExperiment):
     core: KernelInvariant[Core]
     core_cache: KernelInvariant[CoreCache]
diff --git a/artiq/test/coredevice/test_edge_counter.py b/artiq/test/coredevice/test_edge_counter.py
index 867976d1e..8152a3922 100644
--- a/artiq/test/coredevice/test_edge_counter.py
+++ b/artiq/test/coredevice/test_edge_counter.py
@@ -19,7 +19,7 @@ class EdgeCounterExp(EnvExperiment):
         self.setattr_device("loop_out")
 
     # NAC3TODO https://git.m-labs.hk/M-Labs/nac3/issues/461
-    @kernel
+    # NAC3TODO @kernel
     def count_pulse_edges(self, gate_fn) -> tuple[int32, int32]:
         self.core.break_realtime()
         with parallel:
@@ -27,9 +27,9 @@ class EdgeCounterExp(EnvExperiment):
                 self.core.delay(5. * us)
                 self.loop_out.pulse(10. * us)
             with sequential:
-                #gate_fn(10. * us)
+                gate_fn(10. * us)
                 self.core.delay(1. * us)
-                #gate_fn(10 * us)
+                gate_fn(10 * us)
         return (self.loop_in_counter.fetch_count(),
                 self.loop_in_counter.fetch_count())